Mouth ulcers can take Chinese patent medicines are compound pearl mouth ulcer granules, dragon blood exhaust containing tablets and a clear capsule. 1. Compound Pearl Mouth Sore Granules: used for heart and spleen damp-heat evidence of mouth sores (recurrent oral ulcers), the symptoms of mouth sores, surrounding redness and swelling, the center of the depression, the surface of the yellowish-white, burning pain, dry mouth and bad breath, red tongue. Adverse effects: A few patients experienced mild nausea and epigastric discomfort after taking the medicine. 2. Dragon Blood Extract Tablet: It has the efficacy of activating blood circulation and dispersing blood stasis (promoting blood circulation and eliminating blood stasis in the body), fixing pain and stopping hemorrhage, converging sores and promoting muscle growth (helping sores to heal faster and promoting the growth of new flesh). It is used for bruises, blood stasis and pain, women’s qi and blood stagnation, traumatic bleeding, abscesses that do not close for a long time, recurrent oral ulcers, chronic pharyngitis. Pregnant women are prohibited. 3. Yicheng Capsule: It has the effect of clearing away heat and fire (removing heat and fire from the body) and detoxification, resolving blood stasis, cooling blood and stopping bleeding (cooling and moisturizing the blood, preventing bleeding). It is used for heat and irritability caused by fire and blood heat, eye and mouth sores, sore throat and gums, constipation; pharyngitis, tonsillitis, gingivitis with the above symptoms. Adverse reactions: occasional rash, nausea, diarrhea, abdominal pain. If you need to use the drug, you should be identified by a doctor and follow the doctor’s instructions to standardize the treatment.